Q11. The compound interest on sum of Rs. 33750 for 3 years at the rate of 6*2/3 is:

• 2710
• 2170
• 7210
• 7102

Q12. At what rate of simple interest will a sum be tripled itself in 1 years?

• 11*1/2 p.a
• 13*1/2 p.a
• 14*1/2 p.a
• 12*1/2 p.a

Q13. An article is marked at Rs. 10,00,000. The shopkeeper allows successive discount of x%, y% and z% on it. The net selling price is :

• Rs. (100-x)(100-y)(100-z)
• Rs. (100-x)(100-y)(100-z) x 10power 6
• Rs. (100-x)(100-y)(100-z)/ 10power 6
• Rs. (100-x)(100-y)(100+z)

Q14. In what time will a sum of money put at 12.5 % simple interest trebles itself?

• 12 years
• 16 years
• 20 years
• None of these

Q15. Two trains of length 125 metre and 175 metre are travelling in the same direction at 40 km/h and 22 km/h respectively. In What time will they completely pass each other?

• 2 minutes
• 1 minute
• 1.5 minutes

Q16. A, B and C working together can finish a piece of work in 8 days. A alone can do it in 20 days and B alone can do it in 24 days. In how many days will C will alone can do the same work?

• 28 days
• 30 days
• 35 days
• None of these

Q17. A trader will loss 12 % if he sells an article for Rs. 2640.00. For how much should he sell it to gain 12 % ?

• Rs. 3160.00
• Rs. 3260.00
• Rs. 3360.00
• None of thsese

Q18. What is the sum of numbers from 1 to 100?

• 5500
• 5005
• 5050
• 5500

Q19. The product of two numbers is 7200. If their HCF is 20, then what will be the LCM?

• 336
• 360
• 660
• None of these

Q20. Four-fifth of a number is greater than three-fourth of that number by 4. the number is :

• 48
• 120
• 80
• 16